Clip-on attachment for piercing tool



FIG. 1 is an environmental perspective view of a clip-on attachment for piercing tool showing my new design;

FIG. 2 is an environmental front elevational view, with the rear view being a mirror image, thereof;

FIG. 3 is an environmental left side elevational view thereof;

FIG. 4 is an environmental right side elevational view thereof; and,

FIG. 5 is an environmental perspective view thereof.

The broken line showing of the portion of the jewelry and the belly-button ring in FIGS. 1-5 is for illustrative purposes only, merely showing the types of jewelry and rings that can be used, and forms no part of the claimed design. The broken line showing of the human figure in FIG. 5 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a clip-on attachment for piercing tool, as shown and described. 